@charset "utf-8";
.tech-bg {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1;
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
        opacity: 0.05;
    }

    body.dark-mode .tech-bg {
        opacity: 0.15;
    }

    /* 头部大图区域 */
    .postcard-header-image {
        position: relative;
        width: 100%;
        height: 500px;
        overflow: hidden;
        margin-top: -80px;
        z-index: 1;
    }

    .postcard-header-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.9;
        transition: opacity 0.5s ease;
    }

    .postcard-header-image:hover img {
        opacity: 1;
    }

    .postcard-header-content {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        color: white;
        padding: 20px;
        background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.7) 100%);
    }

    .postcard-title {
        font-size: 3.5rem;
        font-weight: bold;
        margin-bottom: 25px;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
        line-height: 1.2;
        max-width: 90%;
    }

    .postcard-meta {
        display: flex;
        gap: 30px;
        font-size: 1.2rem;
        color: rgba(255, 255, 255, 0.9);
        margin-top: 20px;
    }

    .postcard-meta-item {
        display: flex;
        align-items: center;
        padding: 8px 15px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 30px;
        transition: all 0.3s ease;
    }

    .postcard-meta-item:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-3px);
    }

    .postcard-meta-item i {
        margin-right: 10px;
    }

    /* 明信片活动特有样式 */
    .postcard-section {
        background: rgba(255, 255, 255, 0.95);
        border-radius: 16px;
        padding: 2.5rem;
        margin-bottom: 2.5rem;
        box-shadow: 0 8px 30px rgba(0,0,0,0.12);
        border-left: 6px solid #6a11cb;
        transition: all 0.4s ease;
        position: relative;
        overflow: hidden;
    }

    body.dark-mode .postcard-section {
        background: rgba(30, 30, 40, 0.95);
        color: #e0e0e0;
    }

    .postcard-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .postcard-section:hover {
        transform: translateY(-8px);
        box-shadow: 0 15px 40px rgba(106, 17, 203, 0.15);
    }

    .postcard-section:hover::before {
        opacity: 1;
    }

    .section-title {
        display: flex;
        align-items: center;
        margin-bottom: 2.5rem;
        padding-bottom: 1.5rem;
        border-bottom: 3px solid rgba(106, 17, 203, 0.15);
        position: relative;
    }

    .section-icon {
        width: 70px;
        height: 70px;
        background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 2rem;
        color: white;
        font-size: 1.8rem;
        box-shadow: 0 6px 20px rgba(106, 17, 203, 0.3);
        transition: transform 0.3s ease;
    }

    .postcard-section:hover .section-icon {
        transform: scale(1.05) rotate(5deg);
    }

    .section-title h2 {
        margin: 0;
        color: #2c3e50;
        font-size: 2.2rem;
        font-weight: 700;
        text-align: left;
        background: linear-gradient(135deg, #2c3e50 0%, #6a11cb 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    body.dark-mode .section-title h2 {
        color: #e0e0e0;
        background: linear-gradient(135deg, #e0e0e0 0%, #9d4edd 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .section-title p {
        margin: 0.8rem 0 0 0;
        color: #666;
        font-size: 1.2rem;
        font-weight: 500;
    }

    body.dark-mode .section-title p {
        color: #b0b0b0;
    }

    /* 内容区域布局优化 */
    .content-grid {
        display: grid;
        gap: 2rem;
        margin: 2rem 0;
    }

    .content-main {
        display: grid;
        gap: 1.5rem;
    }

    .content-card {
        background: rgba(255, 255, 255, 0.9);
        border-radius: 12px;
        padding: 2rem;
        border: 1px solid rgba(106, 17, 203, 0.1);
        transition: all 0.3s ease;
        box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    }

    body.dark-mode .content-card {
        background: rgba(40, 40, 50, 0.9);
        color: #e0e0e0;
    }

    .content-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 25px rgba(106, 17, 203, 0.1);
        border-color: rgba(106, 17, 203, 0.3);
    }

    .content-card p {
        margin: 0;
        line-height: 2.2;
        color: #555;
        font-size: 1.1rem;
		padding: 10px 0;
    }
	
	.content-card p img {
        width: 100%;
	    height: 100%;
	    border: 3px solid #fff;
	    padding: 10px;
	    border-radius: 5px;
	    object-fit: cover;
	    cursor: pointer;
	    background: #fff;
		box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    }

    body.dark-mode .content-card p {
        color: #d0d0d0;
    }

    /* 流程步骤优化 */
    .process-steps {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 2rem;
        margin: 2.5rem 0;
    }

    .process-step {
        background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
        border-radius: 16px;
        padding: 2.5rem 2rem;
        text-align: center;
        box-shadow: 0 8px 25px rgba(0,0,0,0.08);
        border: 2px solid transparent;
        background-clip: padding-box;
        position: relative;
        transition: all 0.4s ease;
        overflow: hidden;
    }

    body.dark-mode .process-step {
        background: linear-gradient(135deg, #2a2a3a 0%, #1e1e2e 100%);
        color: #e0e0e0;
    }

    .process-step::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
        opacity: 0;
        transition: opacity 0.3s ease;
        z-index: 1;
    }

    .process-step:hover {
        transform: translateY(-10px) scale(1.02);
        box-shadow: 0 15px 40px rgba(106, 17, 203, 0.2);
        border-color: #6a11cb;
    }

    .process-step:hover::before {
        opacity: 0.03;
    }

    .step-number {
        width: 60px;
        height: 60px;
        background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        font-weight: bold;
        margin: 0 auto 1.5rem;
        box-shadow: 0 6px 20px rgba(106, 17, 203, 0.4);
        position: relative;
        z-index: 2;
        transition: all 0.3s ease;
    }

    .process-step:hover .step-number {
        transform: scale(1.1) rotate(10deg);
        box-shadow: 0 8px 25px rgba(106, 17, 203, 0.6);
    }

    .step-title {
        font-size: 1.4rem;
        margin-bottom: 1.2rem;
        color: #2c3e50;
        font-weight: 600;
        position: relative;
        z-index: 2;
    }

    body.dark-mode .step-title {
        color: #e0e0e0;
    }

    .step-desc {
        color: #666;
        font-size: 1rem;
        line-height: 1.6;
        position: relative;
        z-index: 2;
    }

    body.dark-mode .step-desc {
        color: #b0b0b0;
    }

    /* 报名格式优化 - 方便复制 */
    .registration-format {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 16px;
        padding: 2.5rem;
        margin: 2.5rem 0;
        color: white;
        box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
        position: relative;
        overflow: hidden;
    }

    .registration-format::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,192C1248,192,1344,128,1392,96L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
        background-size: cover;
        background-position: bottom;
    }

    .format-header {
        text-align: center;
        margin-bottom: 2rem;
        position: relative;
        z-index: 2;
    }

    .format-header h3 {
        font-size: 1.8rem;
        margin-bottom: 1rem;
        font-weight: 600;
    }

    .format-content {
        background: rgba(255, 255, 255, 0.95);
        border-radius: 12px;
        padding: 2rem;
        color: #333;
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        position: relative;
        z-index: 2;
    }

    body.dark-mode .format-content {
        background: rgba(40, 40, 50, 0.95);
        color: #e0e0e0;
    }

    .copy-section {
        margin-bottom: 2rem;
    }

    .copy-section:last-child {
        margin-bottom: 0;
    }

    .copy-label {
        font-weight: 600;
        color: #6a11cb;
        margin-bottom: 0.8rem;
        font-size: 1.1rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    body.dark-mode .copy-label {
        color: #9d4edd;
    }

    .copy-box {
        background: #f8f9fa;
        border: 2px solid #e9ecef;
        border-radius: 10px;
        padding: 1.2rem;
        font-family: 'Courier New', monospace;
        font-size: 1rem;
        line-height: 1.5;
        color: #495057;
        position: relative;
        cursor: pointer;
        transition: all 0.3s ease;
        user-select: all;
    }

    body.dark-mode .copy-box {
        background: #2a2a3a;
        border-color: #3a3a4a;
        color: #e0e0e0;
    }

    .copy-box:hover {
        border-color: #6a11cb;
        background: #fff;
        box-shadow: 0 4px 15px rgba(106, 17, 203, 0.1);
    }

    body.dark-mode .copy-box:hover {
        background: #3a3a4a;
    }

    .copy-box.copied {
        border-color: #28a745;
        background: #f8fff9;
    }

    body.dark-mode .copy-box.copied {
        background: #1a3a2a;
    }

    .copy-container {
        position: relative;
        display: inline-block;
        width: 100%;
    }

    .copy-tooltip {
        position: absolute;
        top: -40px;
        left: 50%;
        transform: translateX(-50%);
        background: #28a745;
        color: white;
        padding: 0.5rem 1rem;
        border-radius: 6px;
        font-size: 0.9rem;
        opacity: 0;
        transition: opacity 0.3s ease;
        pointer-events: none;
        z-index: 1000;
    }

    .copy-tooltip.show {
        opacity: 1;
    }

    .copy-tooltip::after {
        content: '';
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
        border-width: 6px;
        border-style: solid;
        border-color: #28a745 transparent transparent transparent;
    }

    /* 信息卡片网格优化 */
    .info-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
        gap: 1.8rem;
        margin: 2.5rem 0;
    }

    .info-card {
        background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
        border-radius: 14px;
        padding: 2rem;
        box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        border: 2px solid transparent;
        transition: all 0.4s ease;
        position: relative;
        overflow: hidden;
    }

    body.dark-mode .info-card {
        background: linear-gradient(135deg, #2a2a3a 0%, #1e1e2e 100%);
        color: #e0e0e0;
    }

    .info-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
        transform: scaleX(0);
        transition: transform 0.3s ease;
    }

    .info-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 12px 30px rgba(106, 17, 203, 0.15);
        border-color: rgba(106, 17, 203, 0.2);
    }

    .info-card:hover::before {
        transform: scaleX(1);
    }

    .info-card-header {
        display: flex;
        align-items: center;
        margin-bottom: 1.2rem;
    }

    .info-card-icon {
        width: 50px;
        height: 50px;
        background: rgba(37, 117, 252, 0.1);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 1.2rem;
        color: #2575fc;
        font-size: 1.3rem;
        transition: all 0.3s ease;
    }

    body.dark-mode .info-card-icon {
        background: rgba(37, 117, 252, 0.2);
    }

    .info-card:hover .info-card-icon {
        background: rgba(37, 117, 252, 0.2);
        transform: scale(1.1);
    }

    .info-card-title {
        font-weight: 600;
        color: #2c3e50;
        margin: 0;
        font-size: 1.2rem;
    }

    body.dark-mode .info-card-title {
        color: #e0e0e0;
    }

    .info-card-content {
        color: #555;
        line-height: 1.6;
        font-size: 1rem;
    }

    body.dark-mode .info-card-content {
        color: #b0b0b0;
    }

    /* 参与者表格优化 */
    .participants-section {
        margin: 3rem 0;
    }

    .participants-table {
        background: white;
        border-radius: 16px;
        overflow: hidden;
        box-shadow: 0 8px 30px rgba(0,0,0,0.1);
        margin-top: 2rem;
    }

    body.dark-mode .participants-table {
        background: #2a2a3a;
    }

    .table-header {
        background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
        color: white;
        padding: 1.8rem;
        text-align: center;
    }

    .table-header h3 {
        margin: 0;
        font-size: 1.6rem;
        font-weight: 600;
    }

    .table-container {
        overflow-x: auto;
    }

    table {
        width: 100%;
        border-collapse: collapse;
    }

    th, td {
        padding: 1.5rem 2rem;
        text-align: left;
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }

    body.dark-mode th,
    body.dark-mode td {
        border-bottom: 1px solid rgba(255,255,255,0.05);
        color: #e0e0e0;
    }
	
		/* 准备中 - 使用醒目的黄色表示进行中 */
   .status-preparing {
        background-color: #fffbe6;
        border: 1px solid #ffe58f;
        color: #d48806;
	}

	/* 旅途中 - 使用蓝色表示运输中 */
	.status-shipping {
        background-color: #e6f7ff;
        border: 1px solid #91d5ff;
        color: #096dd9;
	}

	/* 已送达 - 使用绿色表示完成状态 */
	.status-delivered {
        background-color: #f6ffed;
        border: 1px solid #b7eb8f;
        color: #389e0d;
	}

	/* 通用状态样式 */
	.status-preparing,
	.status-shipping,
	.status-delivered {
        display: inline-block;
        padding: 4px 12px;
        border-radius: 4px;
        font-size: 14px;
        font-weight: 500;
		margin: 1.5rem 2rem;
	}

    th {
        background-color: rgba(0,0,0,0.02);
        font-weight: 600;
        color: #2c3e50;
        font-size: 1.1rem;
    }

    body.dark-mode th {
        background-color: rgba(255,255,255,0.05);
        color: #e0e0e0;
    }

    tr {
        transition: background-color 0.3s ease;
    }

    tr:hover {
        background-color: rgba(106, 17, 203, 0.05);
    }

    body.dark-mode tr:hover {
        background-color: rgba(106, 17, 203, 0.1);
    }

    /* 温馨提示优化 */
    .highlight-box {
        background: linear-gradient(135deg, #fff9e6 0%, #fff3cd 100%);
        border-radius: 16px;
        padding: 2.5rem;
        margin: 3rem 0;
        border-left: 6px solid #ffc107;
        box-shadow: 0 8px 25px rgba(255, 193, 7, 0.15);
    }

    body.dark-mode .highlight-box {
        background: linear-gradient(135deg, #3a3a2a 0%, #2a2a1a 100%);
        color: #e0e0e0;
    }

    .highlight-box h3 {
        color: #e67e22;
        margin-bottom: 1.5rem;
        display: flex;
        align-items: center;
        gap: 1rem;
        font-size: 1.5rem;

    }

    .highlight-box ul {
        margin: 0;
        padding-left: 1.5rem;
    }

    .highlight-box li {
        margin-bottom: 0.8rem;
        line-height: 1.6;
        color: #666;
        font-size: 1.1rem;
    }

    body.dark-mode .highlight-box li {
        color: #d0d0d0;
    }

    .highlight-box li:last-child {
        margin-bottom: 0;
    }

    /* 引用框优化 */
    .quote-box {
        text-align: center;
        font-style: italic;
        color: #666;
        font-size: 1rem;
        margin: 3rem 0;
        padding: 3rem;
        background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
        border-radius: 16px;
        box-shadow: 0 8px 30px rgba(0,0,0,0.08);
        position: relative;
        border: 2px dashed rgba(106, 17, 203, 0.3);
    }

    body.dark-mode .quote-box {
        color: #e0e0e0;
        background: linear-gradient(135deg, #2a2a3a 0%, #1e1e2e 100%);
    }

    .quote-box::before, .quote-box::after {
        content: '"';
        font-size: 4rem;
        color: #6a11cb;
        opacity: 0.3;
        position: absolute;
        font-family: serif;
    }

    .quote-box::before {
        top: 15px;
        left: 30px;
    }

    .quote-box::after {
        bottom: 15px;
        right: 30px;
    }

    /* 留言本专属样式 */
    .guestbook-container {
        margin: 0 auto;
    }

    .message-form {
        background-color: rgba(255, 255, 255);
        border-radius: 10px;
        padding: 20px;
        margin-bottom: 30px;
        backdrop-filter: blur(5px);
    }

    body.dark-mode .message-form {
        background-color: rgba(40, 40, 50);
        color: #e0e0e0;
    }

    .message-header {
        display: flex;
        align-items: center;
        margin-bottom: 15px;
        justify-content: space-between;
    }

    .message-avatar {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        margin-right: 15px;
    }

    .message-user-info {
        flex-grow: 1;
        margin-right: 15px;
    }

    .message-user-info span {
        font-size: 14px;
    }

    .edit-info-btn {
        background: rgba(255, 255, 255);
        border: none;
        padding: 5px 10px;
        border-radius: 5px;
        cursor: pointer;
        font-size: 12px;
        transition: all 0.3s;
        white-space: nowrap;
    }

    body.dark-mode .edit-info-btn {
        background: rgba(60, 60, 70);
        color: #e0e0e0;
    }

    .edit-info-btn:hover {
        background: rgba(240, 240, 240);
    }

    body.dark-mode .edit-info-btn:hover {
        background: rgba(80, 80, 90);
    }

    .message-content {
        margin-bottom: 15px;
    }

    .message-textarea {
        width: 100%;
        min-height: 120px;
        padding: 15px;
        border-radius: 8px;
        border: 1px solid rgba(195, 195, 195, 0.2);
        background-color: rgba(255, 255, 255);
        color: #333;
        resize: vertical;
        font-size: 16px;
    }

    body.dark-mode .message-textarea {
        background-color: rgba(60, 60, 70);
        color: #e0e0e0;
        border-color: rgba(100, 100, 110, 0.2);
    }

    .message-textarea::placeholder {
        color: #333;
        opacity: 1;
    }

    body.dark-mode .message-textarea::placeholder {
        color: #b0b0b0;
    }

    .message-actions {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .emoji-btn {
        background: rgba(240, 240, 240);
        border: none;
        padding: 8px 15px;
        border-radius: 5px;
        cursor: pointer;
        font-size: 14px;
        transition: all 0.3s;
    }

    body.dark-mode .emoji-btn {
        background: rgba(60, 60, 70);
        color: #e0e0e0;
    }

    .emoji-btn:hover {
        background: rgba(220, 220, 220);
    }

    body.dark-mode .emoji-btn:hover {
        background: rgba(80, 80, 90);
    }

    .send-btn {
        background: #4a6baf;
        border: none;
        color: #fff;
        padding: 8px 25px;
        border-radius: 5px;
        cursor: pointer;
        font-size: 14px;
        transition: all 0.3s;
    }

    .send-btn:hover {
        background: #3a5a9f;
    }

    .emoji-picker {
        position: absolute;
        background: rgba(255, 255, 255, 0.95);
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        top: 70px;
        padding: 10px;
        display: none;
        flex-wrap: wrap;
        max-width: 350px;
        height: 160px;
        grid-template-columns: repeat(10, 1fr);
        gap: 5px;
        overflow-y: auto;
        overflow-x: none;
        z-index: 9999;
    }

    body.dark-mode .emoji-picker {
        background: rgba(40, 40, 50, 0.95);
    }

    .emoji-picker.show {
        display: flex;
    }

    .emoji-item {
        font-size: 1.2rem;
        cursor: pointer;
        transition: transform 0.2s;
        width: 25px;
        height: 25px;
        margin-bottom: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .emoji-item:hover {
        transform: scale(1.2);
    }

    /* 加载动画 */
    .loading-spinner {
        padding: 20px;
        text-align: center;
        color: rgba(255,255,255,0.7);
        animation: pulse 1.5s infinite;
    }

    @keyframes pulse {
        0% { opacity: 0.6; }
        50% { opacity: 1; }
        100% { opacity: 0.6; }
    }

    .messages-list {
        margin-top: 30px;
    }

    .message-item {
        background-color: rgba(255, 255, 255);
        border-radius: 10px;
        padding: 20px;
        margin-bottom: 20px;
        backdrop-filter: blur(5px);
    }

    body.dark-mode .message-item {
        background-color: rgba(40, 40, 50);
        color: #e0e0e0;
    }

    .message-item-header {
        display: flex;
        align-items: center;
        margin-bottom: 15px;
        position: relative;
    }

    .message-item-avatar {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        margin-right: 15px;
    }

    .message-item-info {
        flex-grow: 1;
        margin-right: 15px;
    }

    .message-item-name {
        font-weight: bold;
        margin-bottom: 3px;
    }

    .user-name-badge {
        display: inline-block;
        background-color: #F86F6E;
        color: white;
        font-size: 10px;
        padding: 2px 5px;
        border-radius: 3px;
        margin-left: 5px;
        vertical-align: middle;
    }

    .message-item-meta {
        font-size: 12px;
        color: #666;
    }

    body.dark-mode .message-item-meta {
        color: #b0b0b0;
    }

    .message-item-content {
        margin-bottom: 15px;
        padding: 20px;
        line-height: 1.6;
        word-wrap: break-word;
        color: #333;
    }

    body.dark-mode .message-item-content {
        color: #e0e0e0;
    }

    .message-item-footer {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 10px;
    }

    .message-item-floor {
        position: absolute;
        top: 0;
        right: 0;
        color: rgba(255, 255, 255, 0.6);
        font-size: 12px;
        background: rgba(0, 0, 0, 0.2);
        padding: 2px 8px;
        border-radius: 10px;
    }

    .reply-btn {
        background: rgba(240, 240, 240);
        color: #666;
        border: none;
        padding: 5px 10px;
        border-radius: 5px;
        cursor: pointer;
        font-size: 12px;
        transition: all 0.3s;
    }

    body.dark-mode .reply-btn {
        background: rgba(60, 60, 70);
        color: #b0b0b0;
    }

    .reply-btn:hover {
        background: rgba(220, 220, 220);
    }

    body.dark-mode .reply-btn:hover {
        background: rgba(80, 80, 90);
    }

    .cancel-reply-btn {
        background: rgba(255, 0, 0, 0.1);
        border: none;
        color: rgba(255, 255, 255, 0.8);
        padding: 5px 10px;
        border-radius: 5px;
        cursor: pointer;
        font-size: 12px;
        transition: all 0.3s;
        margin-left: 10px;
        display: none;
    }

    .cancel-reply-btn:hover {
        background: rgba(255, 0, 0, 0.2);
    }

    .replies-list {
        margin-top: 20px;
        padding-left: 30px;
        border-left: 2px solid rgba(200, 200, 200, 0.3);
    }

    body.dark-mode .replies-list {
        border-left-color: rgba(100, 100, 110, 0.3);
    }

    .reply-item {
        margin-top: 15px;
        padding-top: 15px;
        border-top: 1px dashed rgba(200, 200, 200, 0.3);
    }

    body.dark-mode .reply-item {
        border-top-color: rgba(100, 100, 110, 0.3);
    }

    .load-more-btn {
        display: block;
        width: 100%;
        padding: 10px;
        background: rgba(240, 240, 240);
        border: none;
        color: #666;
        border-radius: 5px;
        cursor: pointer;
        margin-top: 20px;
        transition: all 0.3s;
        text-align: center;
    }

    body.dark-mode .load-more-btn {
        background: rgba(60, 60, 70);
        color: #b0b0b0;
    }

    .load-more-btn:hover {
        background: rgba(220, 220, 220);
    }

    body.dark-mode .load-more-btn:hover {
        background: rgba(80, 80, 90);
    }

    /* 编辑信息模态框 */
    .edit-modal {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.7);
        z-index: 1000;
        justify-content: center;
        align-items: center;
        overflow-y: auto;
    }

    .edit-modal-content {
        background: rgba(255, 255, 255, 0.95);
        padding: 30px;
        border-radius: 10px;
        width: 90%;
        max-width: 500px;
        max-height: 90vh;
        overflow-y: auto;
        backdrop-filter: blur(10px);
        position: relative;
        top: 50%;
        transform: translateY(-50%);
        margin: 0 auto;
    }

    body.dark-mode .edit-modal-content {
        background: rgba(40, 40, 50, 0.95);
        color: #e0e0e0;
    }

    .edit-modal-title {
        margin-top: 0;
        margin-bottom: 20px;
    }

    .form-group {
        margin-bottom: 20px;
    }

    .form-label {
        display: block;
        margin-bottom: 8px;
    }

    .form-input {
        width: 100%;
        padding: 10px;
        border-radius: 5px;
        border: 1px solid rgba(200, 200, 200, 0.5);
        background: rgba(255, 255, 255, 0.9);
        color: #333;
    }

    body.dark-mode .form-input {
        background: rgba(60, 60, 70, 0.9);
        color: #e0e0e0;
        border-color: rgba(100, 100, 110, 0.5);
    }

    .form-actions {
        display: flex;
        justify-content: flex-end;
        gap: 10px;
    }

    .cancel-btn {
        background: rgba(200, 200, 200);
        border: none;
        padding: 8px 15px;
        border-radius: 5px;
        cursor: pointer;
    }

    body.dark-mode .cancel-btn {
        background: rgba(80, 80, 90);
        color: #e0e0e0;
    }

    .save-btn {
        background: #4a6baf;
        border: none;
        color: #fff;
        padding: 8px 15px;
        border-radius: 5px;
        cursor: pointer;
    }

    .save-btn:hover {
        background: #3a5a9f;
    }

    /* 响应式设计优化 */
    @media (max-width: 1200px) {
        .postcard-title {
            font-size: 3rem;
        }
        
        .section-title h2 {
            font-size: 2rem;
        }
        
        .info-grid {
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        }
    }

    @media (max-width: 768px) {
        .postcard-header-image {
            height: 400px;
            margin-top: -60px;
        }
        
        .postcard-title {
            font-size: 2.2rem;
        }
        
        .postcard-meta {

            display: none;
        }
        
        .section-title {
            flex-direction: column;
            text-align: center;
        }
        
        .section-icon {
            margin-right: 0;
            margin-bottom: 1.5rem;
        }
        
        .process-steps {
            grid-template-columns: 1fr;
        }
        
        .info-grid {
            grid-template-columns: 1fr;
        }
        
        .postcard-section {
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        
        .registration-format {
            padding: 1.5rem;
        }
        
        .format-content {
            padding: 1.5rem;
        }
        
        .copy-box {
            padding: 1rem;
            font-size: 0.9rem;
        }
        
        .highlight-box {
            padding: 1.5rem;
        }
        
        .quote-box {
            padding: 2rem 1.5rem;
        }
        
        th, td {
            padding: 1rem;
        }
    }

    @media (max-width: 480px) {
        .postcard-header-image {
            height: 300px;
        }
        
        .postcard-title {
            font-size: 1.8rem;
        }
        
        .postcard-meta-item {
            font-size: 1rem;
        }
        
        .section-title h2 {
            font-size: 1.6rem;
        }
        
        .section-icon {
            width: 50px;
            height: 50px;
            font-size: 1.3rem;
        }
        
        .info-card {
            padding: 1.5rem;
        }
        
        .step-number {
            width: 50px;
            height: 50px;
            font-size: 1.2rem;
        }
        
        .step-title {
            font-size: 1.2rem;
        }
    }